42-317-39605
Final Completion HorizontalMABEE 139 X4
MARTIN County · District 8 · COG OPERATING LLC · SPRABERRY (TREND AREA)
Permits
2
Max Depth
12,500 ft
First Permit
2014-08-19
Latest Activity
2014-08-19
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2015-01-30
Shut-In
—
Plugged
—
Production Summary Production data is a work in progress — still being validated against RRC filings. Spot something off or have questions? [email protected]
Cum Oil
— bbl
Cum Gas
— mcf
First Production
2008-04
Last Production
2026-07
Operator History
Chain of Custody
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (10) Elevation 2,883 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| YATES | 2,978 ft | -95 ft |
| QUEEN | 4,005 ft | -1,122 ft |
| GRAYBURG | 4,706 ft | -1,823 ft |
| SAN ANDRES - ACTIVE CO2 FLOOD; H (San Andres) | 4,980 ft | -2,097 ft |
| SPRABERRY | 8,253 ft | -5,370 ft |
| DEAN | 9,434 ft | -6,551 ft |
| WOLFCAMP | 9,656 ft | -6,773 ft |
| CISCO | — | — |
| PENNSYLVANIAN | — | — |
| SANTA ROSA | — | — |
As reported by operators on W-2/G-1 completion filings (RRC wellbore records). Depths are measured depth; names appear as filed. Subsea = reported elevation − measured depth (negative = below sea level; vertical wellbores only). View filings & logs at RRC ↗
Offset Well Tops (nearest 8 wells with tops)
What nearby completed wells reported.
Nearest wells within 10 mi (surface locations). Click wells to select them, then open the cross-section to compare tops side by side (max 6 wells per section, including this one).
Perforations (1)
| Interval | Type |
|---|---|
| 10,125–11,817 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 11.75" | 1,715 ft | 930 sx |
| 8.625" | 9,012 ft | 800 sx |
| 5.5" | 12,033 ft | 380 sx |
Permit History (2)
Applications (2)
Records & Logs
4 completion filings on record · 2 with log images at RRC.
Completion packets open directly (post-2011 filings include attached logs). Log images and the UL library can't be deep-linked — clicking copies the API for you to paste.
Well Details
- Well Number
- 1028H
- Max Depth
- 12,500 ft
- Drill Type
- Horizontal
- County
- MARTIN
- District
- 8
- Operator
- COG OPERATING LLC
- Completed
- 2015-01-30
Operator
- Name
- COG OPER LLC
- Location
- MIDLAND
- P-5 Status
- X (filed 2026-06-02)
- Cum Oil (all leases)
- 645,285,792 bbl
- Cum Gas (all leases)
- 305,183,488 mcf
- Activities
- OPRS/G, OPRS/O
- Total Permits
- 4,538